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Excretion - Coggle Diagram
Excretion
Excretion is removal of waste products of metabolism, toxic substances ,and substances in excess.
Carbon Dioxide ( LUNGS)
In excess is toxic because it can dissolve in water inside body hence lowering the PH of water , causing disruption in enzyme activities.
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water (KIDNEYS)
If blood becomes to dilute , water is drawn out
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IONS ( KIDNEYS)
When the blood becomes too acidic, t he kidneys remove excess H+ ions from the body and excrete them in the urine. OR WHEN BLOOD BECOMES TOO CONCENTRATED
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PARTS
Kidney: Two bean like shaped organs which regulates water content and excrete excess of substances such as ions and toxic substances Urea
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Kidney 
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